1633040

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 3850200

約数和(自身を除く): 2217160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 149, 274, 298, 548, 596, 685, 745, 1096, 1192, 1370, 1490, 2192, 2384, 2740, 2980, 5480, 5960, 10960, 11920, 20413, 40826, 81652, 102065, 163304, 204130, 326608, 408260, 816520, 1633040]

約数ペア:

[(1, 1633040), (2, 816520), (4, 408260), (5, 326608), (8, 204130), (10, 163304), (16, 102065), (20, 81652), (40, 40826), (80, 20413), (137, 11920), (149, 10960), (274, 5960), (298, 5480), (548, 2980), (596, 2740), (685, 2384), (745, 2192), (1096, 1490), (1192, 1370)]